ArtifactFactory artifactFactory = (ArtifactFactory) lookup( ArtifactFactory.ROLE );
Artifact pluginArtifact = artifactFactory.createArtifact( "group", "artifact", "test", null, "jar" );
pluginArtifact.setFile( jar );
pluginArtifact.addMetadata( new ProjectArtifactMetadata( pluginArtifact, pom ) );
pluginProject.setArtifact( pluginArtifact );
pluginProject.setFile( pom );
File targetLocalRepoBasedir = fileManager.createTempDir();